The southwest monsoon starts mid-May and peaks from July to September.
The dry zone between Mandalay and Pyay gets the least rain. Rain can make roads impassable in the more remote areas.
(Oct & Nov, Mar & Apr)
March to May, Yangon often reaches 104ºF (40ºC). Areas around Bagan and Mandalay are hotter.
It's cooler in the hill towns of Shan State.
All forms of transport are booked solid during Thingyan in April.
The rainy season is over and it's not so hot.
Book accommodation and transport well ahead for this busy travel season.